what's the difference between these CPU operating models?

• Compatible—Virtualizes physical CPUs of different models into vCPUs of the same model. This mode shields the difference in physical CPUs from the guest OS. To move the VM between hosts that use different CPU models, select this mode.

• Host Matching—Virtualizes physical CPUs of different models into vCPUs of different models. This mode features poor compatibility but provides better performance for OSs of VMs than the Compatible mode.

• Straight-Through—Enables the guest OS to access the physical CPUs directly. This mode provides higher performance than compatible and host matching modes. However, you must make sure the source and destination hosts use the same CPU model.

 When you install a Windows Server 2025 VM, select the host matching or passthrough CPU operating mode to ensure that the VM can operate correctly after installation.